A professional who records laps completed by drivers in automobile or motorcycle race. Responsibilities include:

• Observes vehicles passing start-finish line to obtain count of laps completed by each competitor.
• Enters lap count onto scoresheet.
• Totals laps at end of race to determine winner, order of finish, and lap count for each racer.
• May clock and record time during race and be designated Timer.
• May give directions to other scorers and be designated Head Scorer.